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//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
// $Header: /Alaska/SOURCE/Modules/OpalSecurity/OPALSECURITY/AHCIOpalSec.c 5 12/21/11 8:32p Rajkumarkc $
//
// $Revision: 5 $
//
// $Date: 12/21/11 8:32p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Modules/OpalSecurity/OPALSECURITY/AHCIOpalSec.c $
//
// 5 12/21/11 8:32p Rajkumarkc
// [TAG] EIP77142
// [Category] BUG FIX & IMPROVEMENT
// [Description] BUG FIX - Changed Little Endian format to Big Endian
// format while sending commands.
// IMPROVEMENT - Added support to Lock the Opal hdd
// if it's unlocked on Bios POST.
// [Files] IdeOpalSec.c, AhciOpalSec.c, OpalSecurity.c,
// OpalSecurity.h, OpalSecurity.sdl
//
// 4 8/22/11 4:09a Anandakrishnanl
// [TAG] EIP64040
// [Category] Improvement
// [Description] Opal Security - Changes requested for CodeReview by
// customer
// [Files] IdeOpalSec.c
// AhciOpalSec.c
//
// 3 8/22/11 3:04a Anandakrishnanl
// [TAG] EIP62912
// [Category] Improvement
// [Description] Opal Security Definitions Should be Moved to PIDEBUS.h
// from StorageSecurityProtocol.h
// StorageSecurityProtocol.h included in OPAL security driver module will
// give build error when disabled without sdl token #if
// OpalSecurity_SUPPORT properly placed in Ahcibus and IdeBus drivers. But
// Bus driver should not depend on any tokens. For this reason need to
// move OPAL_SEC_INIT_PROTOCOL_GUID in Pidebus.h
// [Files] IdeBus.c
// Pidebus.h
// OpalSecurity.cif
// OpalSecurity.h
// IdeOpalSec.c
// AhciOpalSec.c
//
// 2 5/19/11 5:58a Anandakrishnanl
// [TAG] EIP53565
// [Category] New Feature
// [Description] UEFI2.3+ Specifications defines Storage Security
// protocol which needs to be implemented
// [Files] AhciBus.c,IdeBus.c,AHCIOpalSec.c,IDEOpalSec.c,OpalSecurity.c
// ,OpalSecurity.chm,OpalSecurity.cif,OpalSecurity.h,OpalSecurity.mak,Opal
// Security.sdl,PIDEBus.h,StorageSecurityProtocol.CIF,StorageSecurityProto
// col.h
//
//
//<AMI_FHDR_START>
//---------------------------------------------------------------------------
//
// Name: AHCIOpalSec.c
//
// Description: Opal Support
//
//---------------------------------------------------------------------------
//<AMI_FHDR_END>
#include "OpalSecurity.h"
#define ZeroMemory(Buffer,Size) pBS->SetMem(Buffer,Size,0)
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: AhciSendData
//
// Description: Send a security protocol command to a device.
//
// Input:
// This - Indicates a pointer to the calling context. Type
// EFI_STORAGE_SECURITY_COMMAND_PROTOCOL is defined in the
// EFI_STORAGE_SECURITY_COMMAND_PROTOCOL description.
// MediaId - ID of the medium to send data to.
// Timeout - The timeout, in 100ns units, to use for the execution of the
// security protocol command. A Timeout value of 0 means that this function
// will wait indefinitely for the security protocol command to execute.
// If Timeout is greater than zero, then this function will return
// EFI_TIMEOUT if the time required to execute the receive data command
// is greater than Timeout.
// SecurityProtocolId - Security protocol ID of the security protocol
// command to be sent.
// SecurityProtocolSpecificData - Security protocol specific portion of
// the security protocol command.
// PayloadBufferSize - Size in bytes of the payload data buffer.
// PayloadBuffer - A pointer to a buffer containing the security protocol
// command specific payload data for the security protocol command.
//
// Output:
// EFI_SUCCESS - The security protocol command completed successfully.
// EFI_UNSUPPORTED - The given MediaId does not support security protocol
// commands.
// EFI_DEVICE_ERROR - The security protocol command completed with an error.
// EFI_INVALID_PARAMETER - The PayloadBuffer or PayloadTransferSize is
// NULL and PayloadBufferSize is non-zero.
//
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS
AhciSendData(
IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,
IN UINT32 MediaId,
IN UINT64 Timeout,
IN UINT8 SecurityProtocolId,
IN UINT16 SecurityProtocolSpecificData,
IN UINTN PayloadBufferSize,
IN VOID *PayloadBuffer
)
{
EFI_STATUS Status;
UINT8 SectorCountL = 0;
UINT8 SectorCountH = 0;
COMMAND_STRUCTURE CommandStructure;
STORAGE_SECURITY_COMMAND_PROTOCOL *StorageSecurityProtocol = (STORAGE_SECURITY_COMMAND_PROTOCOL*)This;
SATA_DEVICE_INTERFACE *SataDevInterface = (SATA_DEVICE_INTERFACE *)StorageSecurityProtocol->BusInterface;
SATA_BLOCK_IO *SataBlkIo = SataDevInterface->SataBlkIo;
// Check for BlkIo presence
if(SataBlkIo == NULL) {
return EFI_UNSUPPORTED;
}
// Check for Media change
if(SataBlkIo->BlkIo.Media->MediaId != MediaId) {
return EFI_MEDIA_CHANGED;
}
SectorCountL = (UINT8)(PayloadBufferSize / SataBlkIo->BlkIo.Media->BlockSize);
SectorCountH = (UINT8)((PayloadBufferSize / SataBlkIo->BlkIo.Media->BlockSize)/0x100);
ZeroMemory (&CommandStructure, sizeof(COMMAND_STRUCTURE));
if(PayloadBufferSize != 0){
Status = SataDevInterface->AhciBusInterface->SataPioDataOut(
SataDevInterface,
PayloadBuffer,
(UINT32)PayloadBufferSize,
SecurityProtocolId,
SectorCountH,//TransferLength
0,
(UINT8)(SecurityProtocolSpecificData >> 8) , //Com ID
0,
(UINT8)SecurityProtocolSpecificData,
0,
TRUSTED_SEND,
TRUE);
}else{
// For PayloadBufferSize zero, Trusted Non Data command should be used
// BIT 24 indicates Trusted Receive/Send
CommandStructure.LBAMid = (UINT8)(SecurityProtocolSpecificData >> 8);
CommandStructure.LBAHigh = (UINT8)SecurityProtocolSpecificData;
CommandStructure.Command = TRUSTED_NON_DATA;
CommandStructure.Features = SecurityProtocolId;
CommandStructure.Buffer = PayloadBuffer;
CommandStructure.ByteCount = (UINT32)PayloadBufferSize;
Status = SataDevInterface->AhciBusInterface->ExecuteNonDataCommand (SataDevInterface, CommandStructure);
}
return Status;
}
//**********************************************************************
//<AMI_PHDR_START>
//
// Procedure: ReceiveData
//
// Description: Send a security protocol command to a device that receives
// data and/or the result of one or more commands sent by
// SendData.
//
// Input:
// This -Indicates a pointer to the calling context. Type
// EFI_STORAGE_SECURITY_COMMAND_PROTOCOL is defined in the
// EFI_STORAGE_SECURITY_COMMAND_PROTOCOL description.
// MediaId - ID of the medium to receive data from.
// Timeout - The timeout, in 100ns units, to use for the execution of the
// security protocol command. A Timeout value of 0 means that this
// function will wait indefinitely for the security protocol command
// to execute. If Timeout is greater than zero, then this function
// will return.
// SecurityProtocolId - Security protocol ID of the security protocol
// command to be sent.
// SecurityProtocolSpecificData - Security protocol specific portion of
// the security protocol command.
// PayloadBufferSize - Size in bytes of the payload data buffer.
// PayloadBuffer - A pointer to a destination buffer to store the
// security protocol command specific payload data for the
// security protocol command. The caller is responsible
// for either having implicit or explicit ownership of
// the buffer.
// PayloadTransferSize - A pointer to a buffer to store the size in bytes
// of the data written to the payload data buffer.
//
// Output:
// EFI_SUCCESS - The security protocol command completed successfully.
// EFI_UNSUPPORTED - The given MediaId does not support security
// protocol commands.
// EFI_DEVICE_ERROR - The security protocol command completed with an error.
// EFI_INVALID_PARAMETER - The PayloadBuffer or PayloadTransferSize is
// NULL and PayloadBufferSize is non-zero.
//<AMI_PHDR_END>
//**********************************************************************
EFI_STATUS
AhciReceiveData(
IN EFI_STORAGE_SECURITY_COMMAND_PROTOCOL *This,
IN UINT32 MediaId,
IN UINT64 Timeout,
IN UINT8 SecurityProtocolId,
IN UINT16 SecurityProtocolSpecificData,
IN UINTN PayloadBufferSize,
OUT VOID *PayloadBuffer,
OUT UINTN *PayloadTransferSize
)
{
EFI_STATUS Status;
UINT8 SectorCountL = 0;
UINT8 SectorCountH = 0;
COMMAND_STRUCTURE CommandStructure;
STORAGE_SECURITY_COMMAND_PROTOCOL *StorageSecurityProtocol = (STORAGE_SECURITY_COMMAND_PROTOCOL*)This;
SATA_DEVICE_INTERFACE *SataDevInterface = (SATA_DEVICE_INTERFACE *)StorageSecurityProtocol->BusInterface;
SATA_BLOCK_IO *SataBlkIo = SataDevInterface->SataBlkIo;
// Check for BlkIo presence
if(SataBlkIo==NULL) {
return EFI_UNSUPPORTED;
}
// Check for Media change
if(SataBlkIo->BlkIo.Media->MediaId != MediaId) {
return EFI_MEDIA_CHANGED;
}
SectorCountL = (UINT8)(PayloadBufferSize / SataBlkIo->BlkIo.Media->BlockSize);
SectorCountH = (UINT8)((PayloadBufferSize / SataBlkIo->BlkIo.Media->BlockSize)/0x100);
ZeroMemory (&CommandStructure, sizeof(COMMAND_STRUCTURE));
if(PayloadBufferSize != 0){
// For PayloadBufferSize non zero, Trusted Receive command should be used
if(PayloadTransferSize == NULL || PayloadBuffer == NULL) {
return EFI_INVALID_PARAMETER;
}
CommandStructure.SectorCount = (UINT16)SectorCountL;
CommandStructure.LBALow = (UINT8)SectorCountH;
CommandStructure.LBAMid = (UINT8)(SecurityProtocolSpecificData >> 8);
CommandStructure.LBAHigh = (UINT8)SecurityProtocolSpecificData;
CommandStructure.Command = TRUSTED_RECEIVE;
CommandStructure.Features = SecurityProtocolId;
CommandStructure.Buffer = PayloadBuffer;
CommandStructure.ByteCount = (UINT32)PayloadBufferSize ;
Status = SataDevInterface->AhciBusInterface->ExecutePioDataCommand (SataDevInterface, &CommandStructure, FALSE);
}else{
// For PayloadBufferSize zero, Trusted Non Data command should be used
// BIT 24 indicates Trusted Receive/Send
CommandStructure.LBAMid = (UINT8)(SecurityProtocolSpecificData >> 8);
CommandStructure.LBAHigh = (UINT8)SecurityProtocolSpecificData;
CommandStructure.LBALowExp = 0x01; // Trusted Receive
CommandStructure.Command = TRUSTED_NON_DATA;
CommandStructure.Features = SecurityProtocolId;
CommandStructure.Buffer = PayloadBuffer;
CommandStructure.ByteCount = (UINT32)PayloadBufferSize;
Status = SataDevInterface->AhciBusInterface->ExecuteNonDataCommand (SataDevInterface, CommandStructure);
}
if (!EFI_ERROR( Status) ) {
*PayloadTransferSize = CommandStructure.ByteCount;
} else {
*PayloadTransferSize = 0;
}
return Status;
}
//*************************************************************************
//*************************************************************************
//** **
//** (C)Copyright 1985-2011, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//*************************************************************************
//*************************************************************************
|
